customizing the timeline

Can I customize the contents of the timeline?
ex.
Date interval
button
The layout

I want to know how.

Version 1.58

If you want to fully customize it, you’ll either have to change the source code, or turn off the widget and replace it with your own. See my answer to this question about customizing the animation widget: https://groups.google.com/d/msg/cesium-dev/WF065mEMqCI/6RL2_ygTAgAJ